Jacquard embroidering-machine.



fR, ZAHN. JAGQUARD BMBROIDERING MACHINE.

APPLIGATLON FILED MAR. 1B, 1910.

995,394. 'i Patented June 13,1911.

2 SHBETSSHEET 2.

broidering machines of this kind by the fea-y nomin'r'zarrm or raming, ennnanrf .tsoenami EMnRornmNG-MA'CH'INE.-

Bpeclcatlun of Letters Patent.v1 Patented Juille 13, 1911 Application Med Iarch 18, 1910. i Serial No. 550,180.

To all 'whom it m`ay concern; j Be it known that I, ROBERT Zai-1N, a sublauern Germany, have invented new and useful Improvements in Jacquard E1nbroiderin'g- Machines, of which the' followin is a full, clear, and exact specification.

`he present invention rc atcsto jacquard embroidering machines having several auxiliary implements necessary for the embroidering` operation,` such as for instance the bore tools and the stpfel tools and it differs from the known constructimis of emture thatthe needle mechanism is connected to a controlling device for n di'i've common.

tothe auxiliary implements and that this controlling'deviceis dependent from a necdie of the jacquard mechanism, all said parts' ljielngarranged so that 1n changing over from embroidering operation to lauxiliary .operations the embroideringmechanism acts on the controlling device abo-ve mentioned 'lin such a iiianner', that the latter can then.

bring into action under the controlof the jacquard mechanism .any automatic changing over of tliedrive from one auxiliary implement to the' other.` In' this arrangement,` chiefly. owing to the existence ofthe controlling device mentioned above-Lthejacquard flnechanism has only to control said controlliugvdevice after the changing over from ombroidering operation to bo-reoperation,

. in order to effect the`changing overfof the arrangement, an

drive from one 'auxiliary implement. (the 'bore omts) to .tl1e other (the stpfel points 'whereby thejacquard mechanism is Vgreatly simplified.

present invention.

controlled devices in connection with a jconventlonally represented jacquard mechanlsm.

The mail shaftql of the embroidering nia-chine' 1s driven bymeans of a pair of 1toothed Wheels 2, 3 at'the same speed as the jacquard main .shaft 4 which is d rivenby a motor. An auxiliary shaft 5 isdriven from the shaft 4, by mea s of the pairof toothed 'Wheels 6, 7 at hal the speedof the shaft '4, so' that-the shaft 5 onlv completes half a revolution for every revolution of the shaft y4. This during one revolution of the shaft ect of the King ofa varia, and resident of Fgf2 shows the jacquard 4 one of the t-wo operative portions of a governing cani groove 8 is ,brought into action, While during thel following complete'revo-l lation ofthe shaft 4 the other operative portion of the said cam groove comes into operation; iu an analogous manner, asimilar governing cam groove 8, but displaced `180 degrees with `regard to that 8, comes into operation..

The cam grooye S moves a driving lever m, having an arm tl'which may be connected with a lever 13 provided with a roller and pivoted on the needle driving rod 1-2, 'by means of a copling rod 10 and a bell'clfank lere!- 11 for the purpose oftaking vthe roller of tliislever 13 out of engagement with a cani surface 14 which is carried by a disk,

ca n1 'groove moves ajdriving lever, y vvhichV operates a todthed rack 1 9 which can-.be brought into engagement with Ya pinion of a helical cani 20 by'nieans of a rod ,191K

connected through'a lever with a necdleof the jacquard mechanism J indicated in Fig.

The dri ving' rod 23 for the bore. and

s r'ipfel itools is actuated by means of a slide` i lever 25 from a disk having a cam groove 24 and arranged 'on the Wl'ieel. 3. In this slide lever 25 the rod 23 is guided by 'means of a -guide block and may be adjusted therein by means of a toothed slide21 ywhich 4meshes with a pinion 21. This pinion 21 Y The" accompanying drawings show diagrammatlcally a method of carrying out the connected to aspirally grooved disk 22 1n 'which thefree cnd'of a rod 22* pivoted h y to thefrod 23 is guided. The toothedslide i .Figure 1 1s a dgeneral view of the whole'f V is actuated by-a tension spring' 26 and "c'jon-" l trolled by the'aforenamed helicalcamV 20.` i

Thus, the stroke of vthe driving rod 23 and 'consequent-ly thedeptli of penetration of the boreand "stipfel tools can be enlarged 27. The latter through4 the medium of a coupling rod-28 depending on the jacquard mechanism, as hereinafter describednca'n be broughtintoengagement with an arri ,29 of the lever y, so as to Swing out and to alloiv the slide 21 to llnove under the action ot'ithe spring 2G toward the helical can120.

A rod 31 can'be moved up and down b v means of a camgroove 3() which is arranged on the wheel B on-thc Shaft, el, in the same manner as the Ginn groove' 24. The rod ill carries a'pawl' 3 2 whichvis adapted to'eooperate with a ratchet wheel' 33 of a grooved cam disk 34 in the manner described below.

The rod 31 is valso cfnitrollefl by a spring vcontrolled 'Slide 35 which is proyifled with yan extension vrod '136,' and which can he stopped in the engaged position of the pa'wlrofl 3]. with respect to thc-ratchet wheel 33 by means ot an annular flange 3S provided on said ratchet wheeland' having four The Shuttles 39 are drlvenby means ot' a driving rofl 40 and a guiding rod 40 through a bell crank lever 4'1 which is pivot'ed at and. carries at itsv tree enfl the shuttle changing roller l1-l. movable along its axis. which is adapted to' coperatief wi'th a cam disk 445 on the shaft l. The cam flink 44 cousistsof tiro Cam parts displaced one relatively to another so as to form ay step- 'like prolile at two opposite points and to be. atthe'samc vheight at two other opposite` poi-nts, as i t will be lifilerstood, from Fig. 1 where said .cam parte are represented b v two snperposed fliSplaeed circles. A cam disk 45 is secured to the shaft l which actnatea by means of the rod 4G the etomiingleverfsI 47 of the ratchet wheels 4S ot the thread ten- Sioning rollers it..

. The. motion of the drivingrod -mentionefl above. Vis transmitted to the bore' or 'v Stipf'el tools by means of a balance. lever 50 land an o'ecillating coupling rofl l. ln one .end position of the coupling rofl 5l the latter engages 'itl'lthcbore tool efnmecling-rml 6l (See the drawings). B v moving;r the coupling Vrod l'jto 'the left:- .it is brought into .oncragel ment with thel stipfcl tool connecting' rofl 62. -o'n the cdu'p'lingi rofl-'11 and pas-Sea through a bcaringinn vertically movable controlling rod-.54. Arnd 53 is alsonassed' through a *Sim'ilarbearing inthe rodl. 'lhecontr'ollingmofl is' connected to fthe vhell crank lleve-r11. mentio'neflv above, while vthe rofl 531s connected by Vthe' rofl 55 to tho bell crank lover 5.6 'enga-ging' the stitch cllfu'igriircy roller Illy inorinfj-the controllingr rofl up v.and down. the rods :yand tively brought. into engagenionty willi a con.- trf'illinp; lever whiflnieI movable about the 1Jivotn5l8. a nfl which -can he brought into .enfgageinennritln :un arm (l0 of the. driving:` levcrj1./. 'h;\v .meanao'lia coupling roflftl con trolleflbyi a'lil'tingr `cod QQ connected .to a

needle o'ithe :jacquard rnef-:hanini J' (Fiel.

2).! The controllingA rod flrarries'in ain-- other bcaringay coi'nplinij` rod (33 which is L clmnginlgr rod 52 is pirotally secured 'bis disengaged from the. leger 5T and the rod are alterna-.

' brought into enga,gelnf-n'lv with a lever d4 when ie control rofl 5l rises. The lever (S+ is connected by i'neans ot rofl ($5. .lex-01266, and link U7 with" a eouiiliiig rod (iS which Ican be, coupled to an arin titl of thelever y, 7U and which is pivotal-ly connected to a flisconnecting lever 'T0 which engages beneath' la nose piece 71 of the thread stopping lever rofl-1G.

i The groored cam disk owing,r lo its ltcp by 't'ep rotary movementfi. iacts on the. onehanfl on thcveontrol rofl 18 by means ,of lever 72 rofl 73 and lever 74.- in order, to bring the rod 1S into and out of .and'on the otherhand cannes the connection and disconnection of the coupling rofl 2,8 4 relative to the arm Q9 of the flrivfpglever by means of lever 75, rofl Tt' and lever 77.

The mode of operation of tho arr-"an ement described above is as follows: 'Let it e supposed that the machine is-embroidering then= the couplingr rods 53 and G3 'will be connected to. the respectiie levers .5T-and 64, j owingtotlle factI that the control rofl 54 is: then in thc 'aiaed position.- lf now the working ofthe machine be changed from embroidery to boreoperation`l thon the conpling. rod 10 isbrought into engagement with the arm 9 of the lever, :c by means of an ad- 9\, e' justing rofl S0 which is connected through' lever 190, rod 191,l.e`ver 192, rod193 and lever 19t (Fgi) to a lifting needle of the .jacquard mechaxlism J. By the oscillatory movement otthis lever inthe rofl 1t) is drawn I downward and hy meansof the bent lever l1 the lever 153 with the needle controlling f roller is broughtout of engagement 'with the calnsulrface 14 gfn'erning'the stroke of the` needles o. Aa Soonas this has 'taken` placethe jacquard controlled rod SQ draws the coupling rod l() intocngagement with. a fixed' Stopping bolt Sl. Ry vmeans of the` f'lownwardmovement of the coupling rod 10 the. controlling rod 5l is flrawndown- 110 ward at the. IQarnedinac. and the changing rod 5'2 is therehiT broughtinto .engagement y. with the control level-T57, while the rod 53 63 is treed from thelcrer (Stand is placed just oppoeitefto. `the end of the extension rod Y3G ofthe Iqlideli.-

- If-at' convenienty time the lifting 1 od` l2A connected to the oupling'rod 59 is actuated by its respective jacquard needle` while the einlnoiderinf: needles rz are at work', thatisv to say while the couliilinf'llr rod 53 hangs on the f-.oi'itrolling lever 57'. then the rofl 59 is coupled tothe opposite arm 60 of the' lever 1?/ and the latter non1 displaees 'the' rod 59 andl by inea-ne` ot lever'i', coupling` rod 753, lever 53,1od 55 and lover 5d shifts the stitch changing roller T13 from 'the one .fam path to theother fainpath ot' the earn 44. or

.vico rera, thereby producinga Stitch change.

. i 34 mentioned abo've 75.

engagement with the arm 16 of the lever'z7-ao If, lioweverytliel lifting, rodc821 is Yactuated by its corresponding jacquard needle-after the emb'roidei'ingneedles have been set at iestfthat 'is to say, while the coupling rod 52 vangs on the controlling lever 57, then the arm 60 of the, lever y Vacta upon the e coupling rod 51 b y means of rofl 59,'lever 57 and coupling rod 52 and tliuspushes said fcouplin rod 51 from a claw of the bore connecting'rod 6l into a similar claw of the stiipfel connecting bar 62, or vice versa, thereby producing vthe desiredy exchanger between the bore and the stipfel tools.

If at a convenient time the rod 89 connected to the coupling rodi-33 is actuated 'by the jacquard mechanism J (Fig. 2) 'through level" 195, rod 196, lever.197,` rod 198 'and lever 199, while theemhroidering needles. 'a j are at work, that is to saywhile the coupling rod 63 vhangs on the lever 64, then the rod 89 pushes the rod 68 on to theop osite `arm 69 toiI the lever y, bymeans of r Y 6B, lever 64, rod 65, lever 66 and rod 67, r The lever y. then nieves4 the rod 68 u Ward sothat the. disconnecting.. lever 70 li ts the rod 46 and with it the stopping levers ll'-out of the teeth of the stoppingwheels 48 of thet'hread tensioning rollers .49. The thread tensioning rollers are therefore released. Should, how.- ever, lthe'lifting rod 89. be' moved by means of its jacquardneedle after the embroider# ingfneedleshave been set out of action, then.Y the' rod 63 stands in front of the-extension rod- 36 of thewslide 35 and pushes under theig actin of tileY rod 89 the slide a5 to, the iftg Thepawi 32j @if the ma 311s thereby brought,

- into engagement with the ratchet wh'eel `33. The pawlsrod 3144 now. Aturns. the ratchet wheel 33 one -tooth farther durin y 450 revolution ,of the main jacquard 'slaft 4. yA pin 85 of the slide 35 is hereby'brouglit behind thannulariiange 138 of the ratchet wheel 33,

so that thesp'ring -86 cannot Vpull, the slide 35 back?, untiltiie ratchet wheel 33 has-,been .4 5 turned three teeth forward and one "of slots 37 comes opposite the pin 85 Onturning,` the'v ratchet wheel one the g'rooved cam disk 34 rotating with it,jbr1ngs the rod 18 into engagement with the arm 16 of the `lever a by meansof lever 72, I'od and levje'r "M 4 The lever s then. ulls the rod `18 downward owing tol its oscil a'tory movement, and a brake shoe 88 is hereby pressed against the disk15 on the main driving shaft 1 ofthe niachiiie,by means of a lever 87.' At the same time-a curved piece 90 'secured to the lever 87 is raised, anda roller 91 of a coupling pawl 92 -pivoted to the'diskl and adapted to connect the loose wheel 2 to the' thewliee Va whole shaft 4.' On turning the-ratchet wheel 33 a second tooth fartherythe rod 18 will be drawn to a fixed point 97 owing to the shape of the grooved cam disk 34 and the rod 28 will be brought into. engagement with the arm 29 of the lever y'by-means of lever 75,

rod 76vand leverI 77. The stoppin?,r lever 27 is ythereforerocked and the slide 2lv`is there by allowed to so turn,under the action ofthe spring 26, the spirally slotted or grooved disk 22, that thev driving,r rod 23 is adjusted and brought into a Working position in the slot ofthe slotted lever 25 nearer or farther away from `the pivoting point of the lever 25 in the Well known manner according to the .angular position of the helical cam 20, forin- `ing,y a variable stop for the slide 21 and determining through the latter theamplitude 'of angular displacement of the grooved disk 22, whereupon theslot-ted lever 25 is'rocked by. means'of the cam groove 24 so that either the bore tools b or the 'stpfel tools' c `are operated according to 'the' position of the coupling rod 51. Wheel 33 a third tooth-onward the rod 28 is brought en -to a fixed point 98. At the l,end of this 'third 'step'f'of movement, a-slot '37 'coniesopposite tothestopping pin 85 of the slide 35 Vso'that the spring 86 pulls back this slide. The embroidering mechanism i's then at Irest and either the bore or thestipfel apparatus is in operation., 'ft If the' main shaft 1 of the machine 'is` to be reset infmotion and the bore and-stpfel apparatus to be put out of action, then the On turning lthe ratchet los adjusting rod 89 is actuated for a second time in such a 4manner by.. its respective jac vq'uard lifter, 'that the cam groove disk-3'4- Will be turned by an intermittent feeding` mot-ion' corresponding', to .three further teetli' ofthe ratchet Wheel 33, whereby the driving rod 23 is moved back in the slotted lever 25 from its former left hand posi-tion and the brake shoe 88 is. allowed to disong'age itself -by means of the 'rod 18 which simultaneously shifts the ratchet wheel 17 secured tothe' 'l shaft 1 to start the latter, so that the. coupling pfiwl 92 can again engage the pin 93 and-'the main shaft 1 of the machine is now Lagain driven from the jacquard shaft 4.

What I claim is:

-l.-vIn jacquard. embroidering machines,

thefcombination o fa:y needlemechanism, a. jacquardmechanism several auxiliary implements for-the embroidermg operation, a

common drive mechanism for said implements', a controlling device for said ,drive miplenicnts,

. for

,said i auxiliary from .one to .tor roperating .said controlling device vunder the controhof saidV jacquard mechanism, vand- -interconnectlng means between saldcontrols ling device and the needle In echa'nisii'n` that in passing from embroidering opration to the controlling device may tive for automatically: changing .over said drive mechanism fromv one auxiliary im le nient to another, substantially as descri ed.

2, In the combination of a needle mechanism, a jacquard 1necha1`1ism`, .several auxiliary .imf plements for the ,cmhroidering operation, a

common drive mechanism for said imple? lnents, a coupling to connect the drive mechanism with one or another of said auxiliary a controlling lever .gear for said c 1 11.iling, a driving member connected to lsaid controlling lever gear, operating means 'l' driving e. i @bise s ivlthsaid-dr ring mcmb id controllingilever gear with 1 z`1r'1ism,=so thatfln `Passlng 1de i ng operation 'ft-o the' use1 of lever gear may be rendered operative for automatically coupling over said drlvemechother,substantially as described. 'i

the 'con-ibina'tion common drive mechanism forv said 'imple'- inents', aicontrolling'devide for sald drive {nements-for the embroidering operation, a.

mechanism to' shift the llatter ,from one to i use of said auxiliary implements the be rendered operai- ]acqua rd embroidering v machins,i

member, jacquard eon.

' ni ans between said drive implemcntssaid controlling one auxiliary implement ,-tov-an-f the cowrol of sind )acquard mechamsm, 1n-

tci'connectingmeans betiveensaid. controlling device.l and the needle mechanlsm, a

mechanism for 'changing shuttle control and i'n'eai'is connected tothe needle mechanism to connect saidshuttle 'controlfchanging mecha# nism with said controlling device when the needle mechanism 'is in operation, substan` iially as described. e

4l. In 'jacquard` embroidering machines, the. combination of a needle mechanism, a

'jacquard mechanism, several auxiliary implenzcntsfor thcembroidering operation, a common drive mechanism for said imple* ments, a coupling to connect the drive -lnqchanism -with one or another "of 'said auxiliary imple-niente, a controllin device fof saidcoupling, means for operatlng said controlling jiwquard mechanism, 'a' mechanism, for changing shuttle control, a releasable thread tensioning device, ',operatin r means -for releasing s a-id tensioning" evice, coupling coupling and said vcontrollingr device, said shuttle cont-rol changing mechanism and said controllingdevice, coupling means for thiwilig-into-operation the operating lncalis vfor releasing said: tensioning device, anda single controlling mem'berfconne'cted rto the needle mechanism and controlling all vsaid coupling means 'in said vneedle mechanism, In'v Jacquard embroidering machines,"

of a. needle mechanism, a" ljactniard mechanism, several auxiliary imdependence upon substantially as and for the'purpos'e hereinbefore described.

l 11 witness" whereof I havehereunto signed fmy name vthis 2lst day ofV ebruary 191.0, in the presence of two subscribing Witnesses.

, y ROBERT ZAHN; i lVitnesses'; i' i i .Rom-:BT Nunn,

' RoHAnuB. WASHINGTON.

coupling means between '60 device under the control of said 

